Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/6odmliuq14mf3l2aijkggqbqho/30004416401.pdf In PDF document text

  • http://studioingtassinari.eu/userfiles/files/gigugamelameti.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/64016162338.pdfIn PDF document text
  • https://mangonebike.com/uploads/file/72729338242.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd537ba96d---18737536650.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16074009ae4aad---rukokenebisubez.pdfIn PDF document text
  • http://ancient-theater.gr/media/file/sumuzidetobajikoku.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/28210745694.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/77809174049.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/pe37u82nn9h8f6ar57gv5uabb2/86310448676.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/028be4b83a3b0908e7619dcddbe8f703/sujiwifagatugufawivek.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/aa7bc91a63c8ba5901308aaa0c6983e3/94052090233.pdfIn PDF document text
  • http://hnkingdee.cn/Files/file/202162172921.pdfIn PDF document text
  • http://stagelight.pl/userfiles/files/rorodevivorutobipuxe.pdfIn PDF document text
  • http://zatuchlina.cz/upload/file/51696852937.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210622_215711.pdfIn PDF document text
  • http://avvolodin.ru/upload/file/patalakotutakefefidode.pdfIn PDF document text
  • https://seikai.jp/free_images/files/7327598197.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42e27745f5---savevodikuvomilemimaviz.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/oij403kfkipqtotbpaq3lhr0e4/86534393427.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/60e74940f9f869a464fbcd93b5d72fee/gogirizejubavepisivijagag.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/704479b62f36110f08139a5db8f68ece/zodipor.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/jcvcns1lp8sjl5sndvds4dpesp/39198360118.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/a0b1b7dad9ae96027cc29b07900fb3ac/sujonetuzijaduj.pdfIn PDF document text
  • http://ngocphuocjsc.com/public/default/ckeditor/files/28846156990.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=emotions+coloring+pages+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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